vb用于控制打印机纸张类型的代码
2019-01-21 21:28
求vb用于能在程序中改变打印机默认纸张类型的代码，应该是api的，例如epson1600 默认纸是a4 ，我想自己建一个长21,宽14的纸张类型，也就是a4纸一半大小的，然后让打印机设置它为默认的
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求vb用于能在程序中改变打印机默认纸张类型的代码，应该是api的，例如epson1600 默认纸是a4 ，我想自己建一个长21,宽14的纸张类型，也就是a4纸一半大小的，然后让打印机设置它为默认的
川公网安备 51010602000021号
'Option Explicit
Private Const DC_MAXEXTENT = 5
Private Const DC_MINEXTENT = 4
Private Const DC_PAPERNAMES = 16
Private Const DC_PAPERS = 2
Private Const DC_PAPERSIZE = 3
Private Declare Function DeviceCapabilities Lib "winspool.drv" Alias "DeviceCapabilitiesA" (ByVal lpDeviceName As String, ByVal lpPort As String, ByVal iIndex As Long, lpOutput As Any, lpDevMode As Any) As Long
Private Type POINTS
x As Long
y As Long
End Type
Private Sub Form_Load()
Dim i As Long
With fgd1
.Clear
.FormatString = "^纸张编号|^纸张名称|^纸张长度|^纸张宽度"
For i = 0 To .Cols - 1
.ColWidth(i) = 1700
Next i
.AllowUserResizing = flexResizeColumns
.Left = 0
.Width = Me.ScaleWidth
End With
GetPaperInfo
End Sub
Private Sub GetPaperInfo()
Dim i As Long, ret As Long
Dim Length As Integer, Width As Integer
Dim PaperNo() As Integer, PaperName() As String, PaperSize() As POINTS
'支持最大打印纸：
ret = DeviceCapabilities(打印机名称, "LPT1", DC_MAXEXTENT, ByVal 0&, ByVal 0&)
Length = ret 65536
Width = ret - Length * 65536
'lblMaxLength.Caption = Length
'lblMaxWidth.Caption = Width
'支持最小打印纸：
ret = DeviceCapabilities(打印机名称, "LPT1", DC_MINEXTENT, ByVal 0&, ByVal 0&)
Length = ret 65536
Width = ret - Length * 65536
'支持纸张种类数
ret = DeviceCapabilities(打印机名称, "LPT1", DC_PAPERS, ByVal 0&, ByVal 0&)
'纸张编号
ReDim PaperNo(1 To ret) As Integer
Call DeviceCapabilities(打印机名称, "LPT1", DC_PAPERS, PaperNo(1), ByVal 0&)
'纸张名称
Dim arrPageName() As Byte
Dim allNames As String
Dim lStart As Long, lEnd As Long
ReDim PaperName(1 To ret) As String
ReDim arrPageName(1 To ret * 64) As Byte
Call DeviceCapabilities(打印机名称, "LPT1", DC_PAPERNAMES, arrPageName(1), ByVal 0&)
allNames = StrConv(arrPageName, vbUnicode)
'loop through the string and search for the names of the papers
i = 1
Do
lEnd = InStr(lStart + 1, allNames, Chr100 1000), vbBinaryCompare)
If (lEnd > 0) And (lEnd - lStart - 1 > 0) Then
PaperName(i) = Mid100 100allNames, lStart + 1, lEnd - lStart - 1)
i = i + 1
End If
lStart = lEnd
Loop Until lEnd = 0
'纸张尺寸
ReDim PaperSize(1 To ret) As POINTS
'Call DeviceCapabilities(Form2.Combo1.Text, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)
'注：上行有更改，更改代码如下： Modify By CHX 20060428
Call DeviceCapabilities(打印机名称, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)
'显示在表格中
For i = 1 To ret
fgd1.AddItem PaperNo(i) & vbTab & PaperName(i) & vbTab & PaperSize(i).y & vbTab & PaperSize(i).x
Next i
'移除个空行
fgd1.Row = 1
fgd1.RemoveItem 1
End Sub
Private Sub Form_Resize()
With fgd1
.Left = 0
.Width = Me.ScaleWidth
.Height = Me.ScaleHeight
.Top = 0
End With
End Sub
还有注意!!
只是有一个地方仍需要更改一下
Call DeviceCapabilities(Form2.Combo1.Text, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)
改为
Call DeviceCapabilities(打印机名称, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)
只是有一个地方仍需要更改一下
Call DeviceCapabilities(Form2.Combo1.Text, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)
改为
Call DeviceCapabilities(打印机名称, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)
只是有一个地方仍需要更改一下
Call DeviceCapabilities(Form2.Combo1.Text, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)
改为
Call DeviceCapabilities(打印机名称, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)
只是有一个地方仍需要更改一下
Call DeviceCapabilities(Form2.Combo1.Text, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)
改为
Call DeviceCapabilities(打印机名称, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)
只是有一个地方仍需要更改一下
Call DeviceCapabilities(Form2.Combo1.Text, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)
改为
Call DeviceCapabilities(打印机名称, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)
只是有一个地方仍需要更改一下
Call DeviceCapabilities(Form2.Combo1.Text, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)
改为
Call DeviceCapabilities(打印机名称, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)